Watch a Dog Sleep With His Tail Wagging Because Joy

This pooch must be having one heck of a dream.

Meet Frank, a dog who’s so happy he wags his tail while he sleeps. He should be a backup dancer for Pharrell Williams.

Considering Frank was once mistreated, it’s even more heartwarming to see him so, well, happy.

Source: Watch a Dog Sleep With His Tail Wagging Because Joy